Columbia County Courthouse is located at 35 West Main Street, Bloomsburg PA 17815; phone: 570-389-5600.

Formed March 22, 1813, is in Appalachian Mountain belt; surface quite broken, with wonderfully beautiful drives. The Catawissa Railroad, noted for its remarkable trestle bridges, first one at Mainville, runs through this county, crossing the Susquehanna River at Rupert. Arable land, mostly red shale and limestone, with deposits of iron ore at Bloomsburg, and the anthracite coal basin at Centralia. Chief industries, manufacturing; the carpet mill here is said to be the second largest in the United States. Earliest historical bands of Indians, in this county, were the Shawnees and Delawares, vassals to the Six Nations; Wyoming Path, their route of travel for hunting or war, left Muncy on the West Branch, ran up Glade Run, through a gap to Fishing Creek and on to Luzerne County, through Nescopec Gap, and up North Branch to Wyoming.